840149

Names of 840149

• Cardinal: 840149 can be written as Eight hundred forty thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 8.40149 × 10⁵

Factors of 840149

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 840149

Divisors of 840149

• Number of divisors d(n): 2
• Complete list of divisors:
  1 840149
• Sum of all divisors σ(n): 840150
• Sum of proper divisors (its aliquot sum) s(n): 1
• 840149 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 840148

Bases of 840149

• Binary: 11001101000111010101₂
• Hexadecimal: 0xCD1D5
• Base-36: I09H

Squares and roots of 840149

• 840149 squared (840149²) is 705850342201
• 840149 cubed (840149³) is 593019459149827949
• The square root of 840149 is 916.5964215511
• The cube root of 840149 is 94.3594581369

Scales and comparisons

• 840,149 seconds is equal to 1 week, 2 days, 17 hours, 22 minutes, 29 seconds.
• To count from 1 to 840,149 would take you about two days!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 840149 cubic inches would be around 7.9 feet tall.

Recreational maths with 840149

• 840149 backwards is 941048
• The number of decimal digits it has is: 6
• The sum of 840149's digits is 26
• More coming soon!